CVE-2017-13733 Denial of service in n/a
An illegal address access in the ncurses library allows remote attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-13733?
CVE-2017-13733 is a medium-severity denial of service vulnerability in n/a, published on 29 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
There is an illegal address access in the fmt_entry function in progs/dump_entry.c in ncurses 6.0 that might lead to a remote denial of service attack.
Weakness: CWE-119
Which versions are affected by CVE-2017-13733?
It affects 1 product.
Linux distribution packages (3)
ncurses SUSE:Linux Enterprise Server 11 SP4 | All versions | 5.6-93.15.1 |
ncurses SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 5.6-93.15.1 |
ncurses SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 5.6-93.15.1 |
Products include Invisible-Island Ncurses.
How do I fix CVE-2017-13733?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-13733 being exploited?
There is no known exploitation of CVE-2017-13733 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-13733, DEBIAN-CVE-2017-13733, GHSA-mh85-7j94-rc6w, SUSE-SU-2018:0178-1, UBUNTU-CVE-2017-13733.